RewindexOutage eventsFeb 4, 2026
Anthropic outage, Feb 4, 2026
6 vendors posted 6 incidents between 16:00 and 17:00 UTC, against about 3 incidents from 3 vendors in the same hours on an ordinary week. 2 vendors named Anthropic in 2 incidents (2 of them blamed it). Anthropic posted “Elevated errors on Claude models” at 16:39 UTC.
Observed, not verified. A line means a vendor’s incident named another vendor, or started in the same window. It is not a proven cause.
Times are UTC; lags are from when Anthropic posted (16:39).
- Anthropic posted 16:39
How it spread
Vendors that named Anthropic, grouped by when they posted, and vendors that blamed one of the vendors Anthropic took down. Solid lines: the vendor named the other. Dashed: same window, not named.
Swipe sideways to see the whole diagram.
Mermaid source
flowchart LR
root["Anthropic<br/>posted 16:39 UTC"]:::root
h1["Within an hour<br/>2 vendors, 2 blamed Anthropic<br/>Cursor, Deepgram"]:::blames
root --> h1Vendors that named Anthropic
In their own words. “Blames” means a causal phrase sits next to the name (“due to”, “upstream provider”…).
Within an hour
2 vendors
- Incident, no impact listed
+2 min
Blames Anthropic
Cursor"Degraded Performance for Anthropic Models"
…"Degraded Performance for Anthropic Models" This incident has been resolved.…
- Minor incident
+13 min
Blames Anthropic
DeepgramIssues with downstream LLM provider in Voice Agent API
…0 UTC / 8:20 PT and 16:55 UTC / 8:55 PT We are currently seeing elevated error rates from Anthropic models. To avoid downtime, please define multiple LLM providers (https://developers.deepgram.com/doc…
Same window, did not name anyone
4 incidents started during the event without naming Anthropic or another vendor. Some are part of it, some are a normal day’s background (about 3 in these hours).
Show all 4
- −1 minMinor incident
- +8 minMinor incident
- +13 minMinor incident
- +21 minMajor incident
Detected automatically from 7 status pages opening incidents in the peak hour (normally at most 6). Mentions are matched by name in each incident’s title and updates, then classified as cause, location or integration; quoted text is the vendor’s. Vendors that share one status page are shown once.